Mercury 25 EFI Service Manual page 140

Charging and Starting System
28. Tighten the bolt securing the fuel cooler mounting bracket, and the bolt securing the air vent assembly to the cylinder block,
to the specified torque.
a
b
Description
Bolt (2)
29. Connect the water temperature sensor harness connector to the water temperature sensor.
30. Connect the trim harness extension to the cowl mounted trim switch harness connector.
31. Connect the ignition coil harness connectors to the three ignition coils.
a
32. Connect the engine harness to the ECM. Secure the engine harness with a clamp.
33. Connect the trigger harness connector to the engine harness.
34. Connect the engine harness to the ignition charge connector.
35. Secure the trigger connector and the ignition charge harness connector to the engine harness with a cable tie.
36. Connect the voltage regulator stator connector to the engine harness and secure with a cable tie.
37. Install the fuse holder onto the mounting bracket.
38. Connect the voltage regulator sensing lead connector to the engine harness. Secure the voltage regulator sensing lead
connector to the engine harness with two cable ties.
Page 2B-28
c
d
21192
© 2016 Mercury Marine
a - Air vent assembly
b - Fuel cooler
c - Bolt securing the air vent assembly to the cylinder block
d - Bolt securing the fuel cooler mounting bracket to the
cylinder block
a - Water temperature sensor harness
b
connector
b - Trim extension harness connector
c - Ignition coil harness connector (3)
c
10463
90-8M0105568 eng MARCH 2016
Nm lb. in. lb. ft.
6 53